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- W2367787212 abstract "Si3N4/SiC refractory material was fabricated by reaction sintering. The effect of Al2O3,Y2O3 and Fe2O3 on the performance was researched, and the mechanisms of reaction sintering also were analyzed. The composition of phase and the microstructure of samples were characterized respectively by X-ray diffraction(XRD) and scanning electron microscopy(SEM), and the bulk density and mechanical properties were characterized respectively by Archimedes method and universal test machine. The experimental results show that the adding of Al2O3 and Y2O3 was difficult to improve the bulk density of samples. It increased the bending strength of samples properly. The adding of Al2O3 and Y2O3 promoted the generation of Si2N2O and β-Si3N4, and reduced the increasing weight of the samples.The liquid phase precipitated Si5AlON7 and Y5Si3O12N finally. The bulk density and bending strength of samples were increased significantly by adding Fe2O3.The adding of Fe2O3 formed liquid phase with Si which promoted the generation of β-Si3N4 and precipitated Fe3Si finally. The bulk density was increased and the bending strength was reduced when the samples added Fe2O3, Al2O3 and Y2O3 at the same time." @default.
- W2367787212 created "2016-06-24" @default.
- W2367787212 creator A5001029450 @default.
- W2367787212 date "2013-01-01" @default.
- W2367787212 modified "2023-09-26" @default.
- W2367787212 title "The Effect of Sintering Additives on the Performance of Si_3n_4/sic Materials by Reaction Sintering" @default.
- W2367787212 hasPublicationYear "2013" @default.
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